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-rw-r--r--plat/arm/board/morello/aarch64/morello_helper.S55
-rw-r--r--plat/arm/board/morello/fdts/morello_fw_config.dts26
-rw-r--r--plat/arm/board/morello/fdts/morello_nt_fw_config.dts26
-rw-r--r--plat/arm/board/morello/fdts/morello_tb_fw_config.dts27
-rw-r--r--plat/arm/board/morello/include/plat_macros.S25
-rw-r--r--plat/arm/board/morello/include/platform_def.h194
-rw-r--r--plat/arm/board/morello/morello_bl1_setup.c19
-rw-r--r--plat/arm/board/morello/morello_bl2_setup.c226
-rw-r--r--plat/arm/board/morello/morello_bl31_setup.c35
-rw-r--r--plat/arm/board/morello/morello_def.h92
-rw-r--r--plat/arm/board/morello/morello_err.c17
-rw-r--r--plat/arm/board/morello/morello_image_load.c185
-rw-r--r--plat/arm/board/morello/morello_interconnect.c33
-rw-r--r--plat/arm/board/morello/morello_plat.c70
-rw-r--r--plat/arm/board/morello/morello_security.c12
-rw-r--r--plat/arm/board/morello/morello_topology.c60
-rw-r--r--plat/arm/board/morello/morello_trusted_boot.c54
-rw-r--r--plat/arm/board/morello/platform.mk110
18 files changed, 1266 insertions, 0 deletions
diff --git a/plat/arm/board/morello/aarch64/morello_helper.S b/plat/arm/board/morello/aarch64/morello_helper.S
new file mode 100644
index 0000000..60470a8
--- /dev/null
+++ b/plat/arm/board/morello/aarch64/morello_helper.S
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <cpu_macros.S>
+#include <rainier.h>
+
+#include <platform_def.h>
+
+ .globl plat_arm_calc_core_pos
+ .globl plat_reset_handler
+
+ /* -----------------------------------------------------
+ * unsigned int plat_arm_calc_core_pos(u_register_t mpidr)
+ *
+ * Helper function to calculate the core position.
+ * ((ChipId * MORELLO_MAX_CLUSTERS_PER_CHIP + ClusterId) *
+ * MORELLO_MAX_CPUS_PER_CLUSTER * MORELLO_MAX_PE_PER_CPU) +
+ * (CPUId * MORELLO_MAX_PE_PER_CPU) + ThreadId
+ *
+ * which can be simplified as:
+ *
+ * (((ChipId * MORELLO_MAX_CLUSTERS_PER_CHIP + ClusterId) *
+ * MORELLO_MAX_CPUS_PER_CLUSTER + CPUId) * MORELLO_MAX_PE_PER_CPU) +
+ * ThreadId
+ * ------------------------------------------------------
+ */
+
+func plat_arm_calc_core_pos
+ mov x4, x0
+
+ /*
+ * The MT bit in MPIDR is always set for morello and the
+ * affinity level 0 corresponds to thread affinity level.
+ */
+
+ /* Extract individual affinity fields from MPIDR */
+ ubfx x0, x4, #MPIDR_AFF0_SHIFT, #MPIDR_AFFINITY_BITS
+ ubfx x1, x4, #MPIDR_AFF1_SHIFT, #MPIDR_AFFINITY_BITS
+ ubfx x2, x4, #MPIDR_AFF2_SHIFT, #MPIDR_AFFINITY_BITS
+ ubfx x3, x4, #MPIDR_AFF3_SHIFT, #MPIDR_AFFINITY_BITS
+
+ /* Compute linear position */
+ mov x4, #MORELLO_MAX_CLUSTERS_PER_CHIP
+ madd x2, x3, x4, x2
+ mov x4, #MORELLO_MAX_CPUS_PER_CLUSTER
+ madd x1, x2, x4, x1
+ mov x4, #MORELLO_MAX_PE_PER_CPU
+ madd x0, x1, x4, x0
+ ret
+endfunc plat_arm_calc_core_pos
diff --git a/plat/arm/board/morello/fdts/morello_fw_config.dts b/plat/arm/board/morello/fdts/morello_fw_config.dts
new file mode 100644
index 0000000..c47bae5
--- /dev/null
+++ b/plat/arm/board/morello/fdts/morello_fw_config.dts
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/tbbr/tbbr_img_def.h>
+
+/dts-v1/;
+/ {
+ dtb-registry {
+ compatible = "fconf,dyn_cfg-dtb_registry";
+
+ tb_fw-config {
+ load-address = <0x0 0x4001300>;
+ max-size = <0x200>;
+ id = <TB_FW_CONFIG_ID>;
+ };
+
+ nt_fw-config {
+ load-address = <0x0 0xFEF00000>;
+ max-size = <0x0100000>;
+ id = <NT_FW_CONFIG_ID>;
+ };
+ };
+};
diff --git a/plat/arm/board/morello/fdts/morello_nt_fw_config.dts b/plat/arm/board/morello/fdts/morello_nt_fw_config.dts
new file mode 100644
index 0000000..e730d34
--- /dev/null
+++ b/plat/arm/board/morello/fdts/morello_nt_fw_config.dts
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+ /* compatible string */
+ compatible = "arm,morello";
+
+ /*
+ * Place holder for platform-info node with default values.
+ * The values will be set to the correct values during
+ * the BL2 stage of boot.
+ */
+ platform-info {
+ local-ddr-size = <0x0 0x0>;
+#ifdef TARGET_PLATFORM_SOC
+ remote-ddr-size = <0x0 0x0>;
+ remote-chip-count = <0x0>;
+ multichip-mode = <0x0>;
+ scc-config = <0x0>;
+#endif
+ };
+};
diff --git a/plat/arm/board/morello/fdts/morello_tb_fw_config.dts b/plat/arm/board/morello/fdts/morello_tb_fw_config.dts
new file mode 100644
index 0000000..305a818
--- /dev/null
+++ b/plat/arm/board/morello/fdts/morello_tb_fw_config.dts
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+ tb_fw-config {
+ compatible = "arm,tb_fw";
+
+ /* Disable authentication for development */
+ disable_auth = <0x0>;
+
+ /*
+ * The following two entries are placeholders for Mbed TLS
+ * heap information. The default values don't matter since
+ * they will be overwritten by BL1.
+ * In case of having shared Mbed TLS heap between BL1 and BL2,
+ * BL1 will populate these two properties with the respective
+ * info about the shared heap. This info will be available for
+ * BL2 in order to locate and re-use the heap.
+ */
+ mbedtls_heap_addr = <0x0 0x0>;
+ mbedtls_heap_size = <0x0>;
+ };
+};
diff --git a/plat/arm/board/morello/include/plat_macros.S b/plat/arm/board/morello/include/plat_macros.S
new file mode 100644
index 0000000..195be84
--- /dev/null
+++ b/plat/arm/board/morello/include/plat_macros.S
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLAT_MACROS_S
+#define PLAT_MACROS_S
+
+#include <css_macros.S>
+
+/* ---------------------------------------------
+ * The below required platform porting macro
+ * prints out relevant platform registers
+ * whenever an unhandled exception is taken in
+ * BL31.
+ *
+ * There are currently no platform specific regs
+ * to print.
+ * ---------------------------------------------
+ */
+ .macro plat_crash_print_regs
+ .endm
+
+#endif /* PLAT_MACROS_S */
diff --git a/plat/arm/board/morello/include/platform_def.h b/plat/arm/board/morello/include/platform_def.h
new file mode 100644
index 0000000..08e2d60
--- /dev/null
+++ b/plat/arm/board/morello/include/platform_def.h
@@ -0,0 +1,194 @@
+/*
+ * Copyright (c) 2020-2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PLATFORM_DEF_H
+#define PLATFORM_DEF_H
+
+#include <plat/arm/board/common/v2m_def.h>
+#include <plat/arm/common/arm_def.h>
+#include <plat/arm/css/common/css_def.h>
+
+/* UART related constants */
+#define PLAT_ARM_BOOT_UART_BASE ULL(0x2A400000)
+#define PLAT_ARM_BOOT_UART_CLK_IN_HZ U(50000000)
+
+/* IOFPGA UART0 */
+#define PLAT_ARM_RUN_UART_BASE ULL(0x1C090000)
+#define PLAT_ARM_RUN_UART_CLK_IN_HZ U(24000000)
+
+#define PLAT_ARM_CRASH_UART_BASE PLAT_ARM_RUN_UART_BASE
+#define PLAT_ARM_CRASH_UART_CLK_IN_HZ PLAT_ARM_RUN_UART_CLK_IN_HZ
+
+#define PLAT_ARM_DRAM2_BASE ULL(0x8080000000)
+#define PLAT_ARM_DRAM2_SIZE ULL(0xF80000000)
+
+#define MAX_IO_DEVICES U(3)
+#define MAX_IO_HANDLES U(4)
+
+#define PLAT_ARM_FLASH_IMAGE_BASE ULL(0x1A000000)
+#define PLAT_ARM_FLASH_IMAGE_MAX_SIZE ULL(0x01000000)
+
+#define PLAT_ARM_NVM_BASE ULL(0x1A000000)
+#define PLAT_ARM_NVM_SIZE ULL(0x01000000)
+
+#if defined NS_BL1U_BASE
+#undef NS_BL1U_BASE
+#define NS_BL1U_BASE (PLAT_ARM_NVM_BASE + UL(0x00800000))
+#endif
+
+/*
+ * There are no non-volatile counters in morello, these macros points
+ * to unused addresses.
+ */
+#define SOC_TRUSTED_NVCTR_BASE ULL(0x7FE70000)
+#define TFW_NVCTR_BASE (SOC_TRUSTED_NVCTR_BASE + U(0x0000))
+#define TFW_NVCTR_SIZE U(4)
+#define NTFW_CTR_BASE (SOC_TRUSTED_NVCTR_BASE + U(0x0004))
+#define NTFW_CTR_SIZE U(4)
+
+/*
+ * To access the complete DDR memory along with remote chip's DDR memory,
+ * which is at 4 TB offset, physical and virtual address space limits are
+ * extended to 43-bits.
+ */
+#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 43)
+#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 43)
+
+#if CSS_USE_SCMI_SDS_DRIVER
+#define MORELLO_SCMI_PAYLOAD_BASE ULL(0x45400000)
+#else
+#define PLAT_CSS_SCP_COM_SHARED_MEM_BASE ULL(0x45400000)
+#endif
+
+#define PLAT_ARM_TRUSTED_SRAM_SIZE UL(0x00080000)
+
+/*
+ * PLAT_ARM_MAX_BL1_RW_SIZE is calculated using the current BL1 RW debug size
+ * plus a little space for growth.
+ */
+#define PLAT_ARM_MAX_BL1_RW_SIZE UL(0xC000)
+
+/*
+ * PLAT_ARM_MAX_ROMLIB_RW_SIZE is define to use a full page
+ */
+
+#if USE_ROMLIB
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE UL(0x1000)
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE UL(0xE000)
+#else
+#define PLAT_ARM_MAX_ROMLIB_RW_SIZE U(0)
+#define PLAT_ARM_MAX_ROMLIB_RO_SIZE U(0)
+#endif
+
+/*
+ * PLAT_ARM_MAX_BL2_SIZE is calculated using the current BL2 debug size plus a
+ * little space for growth.
+ */
+#if TRUSTED_BOARD_BOOT
+# define PLAT_ARM_MAX_BL2_SIZE UL(0x1D000)
+#else
+# define PLAT_ARM_MAX_BL2_SIZE UL(0x14000)
+#endif
+
+#define PLAT_ARM_MAX_BL31_SIZE UL(0x3B000)
+
+/*******************************************************************************
+ * MORELLO topology related constants
+ ******************************************************************************/
+#define MORELLO_MAX_CPUS_PER_CLUSTER U(2)
+#define PLAT_ARM_CLUSTER_COUNT U(2)
+#define PLAT_MORELLO_CHIP_COUNT U(1)
+#define MORELLO_MAX_CLUSTERS_PER_CHIP U(2)
+#define MORELLO_MAX_PE_PER_CPU U(1)
+
+#define PLATFORM_CORE_COUNT (PLAT_MORELLO_CHIP_COUNT * \
+ PLAT_ARM_CLUSTER_COUNT * \
+ MORELLO_MAX_CPUS_PER_CLUSTER * \
+ MORELLO_MAX_PE_PER_CPU)
+
+/* System power domain level */
+#define CSS_SYSTEM_PWR_DMN_LVL ARM_PWR_LVL3
+
+/*
+ * PLAT_ARM_MMAP_ENTRIES depends on the number of entries in the
+ * plat_arm_mmap array defined for each BL stage.
+ */
+#if IMAGE_BL1 || IMAGE_BL31
+# define PLAT_ARM_MMAP_ENTRIES U(6)
+# define MAX_XLAT_TABLES U(7)
+#else
+# define PLAT_ARM_MMAP_ENTRIES U(5)
+# define MAX_XLAT_TABLES U(6)
+#endif
+
+/*
+ * Size of cacheable stacks
+ */
+#if defined(IMAGE_BL1)
+# if TRUSTED_BOARD_BOOT
+# define PLATFORM_STACK_SIZE UL(0x1000)
+# else
+# define PLATFORM_STACK_SIZE UL(0x440)
+# endif
+#elif defined(IMAGE_BL2)
+# if TRUSTED_BOARD_BOOT
+# define PLATFORM_STACK_SIZE UL(0x1000)
+# else
+# define PLATFORM_STACK_SIZE UL(0x400)
+# endif
+#elif defined(IMAGE_BL2U)
+# define PLATFORM_STACK_SIZE UL(0x400)
+#elif defined(IMAGE_BL31)
+# if SPM_MM
+# define PLATFORM_STACK_SIZE UL(0x500)
+# else
+# define PLATFORM_STACK_SIZE UL(0x400)
+# endif
+#elif defined(IMAGE_BL32)
+# define PLATFORM_STACK_SIZE UL(0x440)
+#endif
+
+#define PLAT_ARM_NSTIMER_FRAME_ID U(0)
+
+#define PLAT_ARM_TRUSTED_ROM_BASE U(0x0)
+#define PLAT_ARM_TRUSTED_ROM_SIZE UL(0x00020000) /* 128KB */
+
+#define PLAT_ARM_NSRAM_BASE ULL(0x06000000)
+#define PLAT_ARM_NSRAM_SIZE UL(0x00010000) /* 64KB */
+
+#define PLAT_CSS_MHU_BASE UL(0x45000000)
+#define PLAT_MHUV2_BASE PLAT_CSS_MHU_BASE
+#define PLAT_MAX_PWR_LVL U(2)
+
+#define PLAT_ARM_G1S_IRQ_PROPS(grp) CSS_G1S_IRQ_PROPS(grp)
+#define PLAT_ARM_G0_IRQ_PROPS(grp) ARM_G0_IRQ_PROPS(grp)
+
+#define MORELLO_DEVICE_BASE ULL(0x08000000)
+#define MORELLO_DEVICE_SIZE ULL(0x48000000)
+
+/*Secure Watchdog Constants */
+#define SBSA_SECURE_WDOG_BASE UL(0x2A480000)
+#define SBSA_SECURE_WDOG_TIMEOUT UL(1000)
+
+#define MORELLO_MAP_DEVICE MAP_REGION_FLAT( \
+ MORELLO_DEVICE_BASE, \
+ MORELLO_DEVICE_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#define ARM_MAP_DRAM1 MAP_REGION_FLAT( \
+ ARM_DRAM1_BASE, \
+ ARM_DRAM1_SIZE, \
+ MT_MEMORY | MT_RW | MT_NS)
+
+/* GIC related constants */
+#define PLAT_ARM_GICD_BASE UL(0x30000000)
+#define PLAT_ARM_GICC_BASE UL(0x2C000000)
+#define PLAT_ARM_GICR_BASE UL(0x300C0000)
+
+/* Number of SCMI channels on the platform */
+#define PLAT_ARM_SCMI_CHANNEL_COUNT U(1)
+
+#endif /* PLATFORM_DEF_H */
diff --git a/plat/arm/board/morello/morello_bl1_setup.c b/plat/arm/board/morello/morello_bl1_setup.c
new file mode 100644
index 0000000..9155542
--- /dev/null
+++ b/plat/arm/board/morello/morello_bl1_setup.c
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*******************************************************************************
+ * Perform any BL1 specific platform actions.
+ ******************************************************************************/
+
+void soc_css_init_nic400(void)
+{
+}
+
+void soc_css_init_pcie(void)
+{
+}
diff --git a/plat/arm/board/morello/morello_bl2_setup.c b/plat/arm/board/morello/morello_bl2_setup.c
new file mode 100644
index 0000000..da1f7ae
--- /dev/null
+++ b/plat/arm/board/morello/morello_bl2_setup.c
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2021-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <common/debug.h>
+#include <drivers/arm/css/sds.h>
+#include <lib/mmio.h>
+#include <lib/utils.h>
+#include <plat/arm/common/plat_arm.h>
+
+#include "morello_def.h"
+#include <platform_def.h>
+
+#ifdef TARGET_PLATFORM_FVP
+/*
+ * Platform information structure stored in SDS.
+ * This structure holds information about platform's DDR
+ * size
+ * - Local DDR size in bytes, DDR memory in main board
+ */
+struct morello_plat_info {
+ uint64_t local_ddr_size;
+} __packed;
+#else
+/*
+ * Platform information structure stored in SDS.
+ * This structure holds information about platform's DDR
+ * size which is an information about multichip setup
+ * - Local DDR size in bytes, DDR memory in main board
+ * - Remote DDR size in bytes, DDR memory in remote board
+ * - remote_chip_count
+ * - multichip mode
+ * - scc configuration
+ */
+struct morello_plat_info {
+ uint64_t local_ddr_size;
+ uint64_t remote_ddr_size;
+ uint8_t remote_chip_count;
+ bool multichip_mode;
+ uint32_t scc_config;
+} __packed;
+#endif
+
+/* Compile time assertion to ensure the size of structure is 18 bytes */
+CASSERT(sizeof(struct morello_plat_info) == MORELLO_SDS_PLATFORM_INFO_SIZE,
+ assert_invalid_plat_info_size);
+
+#ifdef TARGET_PLATFORM_SOC
+/*
+ * Morello platform supports RDIMMs with ECC capability. To use the ECC
+ * capability, the entire DDR memory space has to be zeroed out before
+ * enabling the ECC bits in DMC-Bing. Zeroing out several gigabytes of
+ * memory from SCP is quite time consuming so the following function
+ * is added to zero out the DDR memory from application processor which is
+ * much faster compared to SCP.
+ */
+
+static void dmc_ecc_setup(struct morello_plat_info *plat_info)
+{
+ uint64_t dram2_size;
+ uint32_t val;
+ uint64_t tag_mem_base;
+ uint64_t usable_mem_size;
+
+ INFO("Total DIMM size: %uGB\n",
+ (uint32_t)(plat_info->local_ddr_size / 0x40000000));
+
+ assert(plat_info->local_ddr_size > ARM_DRAM1_SIZE);
+ dram2_size = plat_info->local_ddr_size - ARM_DRAM1_SIZE;
+
+ INFO("Zeroing DDR memory range 0x80000000 - 0xFFFFFFFF\n");
+ zero_normalmem((void *)ARM_DRAM1_BASE, ARM_DRAM1_SIZE);
+ flush_dcache_range(ARM_DRAM1_BASE, ARM_DRAM1_SIZE);
+
+ INFO("Zeroing DDR memory range 0x%llx - 0x%llx\n",
+ ARM_DRAM2_BASE, ARM_DRAM2_BASE + dram2_size);
+ zero_normalmem((void *)ARM_DRAM2_BASE, dram2_size);
+ flush_dcache_range(ARM_DRAM2_BASE, dram2_size);
+
+ /* Clear previous ECC errors while zeroing out the memory */
+ val = mmio_read_32(MORELLO_DMC0_ERR2STATUS_REG);
+ mmio_write_32(MORELLO_DMC0_ERR2STATUS_REG, val);
+
+ val = mmio_read_32(MORELLO_DMC1_ERR2STATUS_REG);
+ mmio_write_32(MORELLO_DMC1_ERR2STATUS_REG, val);
+
+ /* Set DMCs to CONFIG state before writing ERR0CTLR0 register */
+ mmio_write_32(MORELLO_DMC0_MEMC_CMD_REG, MORELLO_DMC_MEMC_CMD_CONFIG);
+ mmio_write_32(MORELLO_DMC1_MEMC_CMD_REG, MORELLO_DMC_MEMC_CMD_CONFIG);
+
+ while ((mmio_read_32(MORELLO_DMC0_MEMC_STATUS_REG) &
+ MORELLO_DMC_MEMC_STATUS_MASK) !=
+ MORELLO_DMC_MEMC_CMD_CONFIG) {
+ continue;
+ }
+
+ while ((mmio_read_32(MORELLO_DMC1_MEMC_STATUS_REG) &
+ MORELLO_DMC_MEMC_STATUS_MASK) !=
+ MORELLO_DMC_MEMC_CMD_CONFIG) {
+ continue;
+ }
+
+ /* Configure Bing client/server mode based on SCC configuration */
+ if (plat_info->scc_config & MORELLO_SCC_CLIENT_MODE_MASK) {
+ INFO("Configuring DMC Bing in client mode\n");
+ usable_mem_size = plat_info->local_ddr_size -
+ (plat_info->local_ddr_size / 128ULL);
+
+ /* Linear DDR address */
+ tag_mem_base = usable_mem_size;
+ tag_mem_base = tag_mem_base / 4;
+
+ /* Reverse translation */
+ if (tag_mem_base < ARM_DRAM1_BASE) {
+ tag_mem_base += ARM_DRAM1_BASE;
+ } else {
+ tag_mem_base = tag_mem_base - ARM_DRAM1_BASE +
+ ARM_DRAM2_BASE;
+ }
+
+ mmio_write_32(MORELLO_DMC0_CAP_CTRL_REG, 0x1);
+ mmio_write_32(MORELLO_DMC1_CAP_CTRL_REG, 0x1);
+ mmio_write_32(MORELLO_DMC0_TAG_CACHE_CFG, 0x1);
+ mmio_write_32(MORELLO_DMC1_TAG_CACHE_CFG, 0x1);
+
+ if (plat_info->scc_config & MORELLO_SCC_C1_TAG_CACHE_EN_MASK) {
+ mmio_setbits_32(MORELLO_DMC0_TAG_CACHE_CFG, 0x2);
+ mmio_setbits_32(MORELLO_DMC1_TAG_CACHE_CFG, 0x2);
+ INFO("C1 Tag Cache Enabled\n");
+ }
+
+ if (plat_info->scc_config & MORELLO_SCC_C2_TAG_CACHE_EN_MASK) {
+ mmio_setbits_32(MORELLO_DMC0_TAG_CACHE_CFG, 0x4);
+ mmio_setbits_32(MORELLO_DMC1_TAG_CACHE_CFG, 0x4);
+ INFO("C2 Tag Cache Enabled\n");
+ }
+
+ mmio_write_32(MORELLO_DMC0_MEM_ADDR_CTL,
+ (uint32_t)tag_mem_base);
+ mmio_write_32(MORELLO_DMC1_MEM_ADDR_CTL,
+ (uint32_t)tag_mem_base);
+ mmio_write_32(MORELLO_DMC0_MEM_ADDR_CTL2,
+ (uint32_t)(tag_mem_base >> 32));
+ mmio_write_32(MORELLO_DMC1_MEM_ADDR_CTL2,
+ (uint32_t)(tag_mem_base >> 32));
+
+ mmio_setbits_32(MORELLO_DMC0_MEM_ACCESS_CTL,
+ MORELLO_DMC_MEM_ACCESS_DIS);
+ mmio_setbits_32(MORELLO_DMC1_MEM_ACCESS_CTL,
+ MORELLO_DMC_MEM_ACCESS_DIS);
+
+ INFO("Tag base set to 0x%lx\n", tag_mem_base);
+ plat_info->local_ddr_size = usable_mem_size;
+ } else {
+ INFO("Configuring DMC Bing in server mode\n");
+ mmio_write_32(MORELLO_DMC0_CAP_CTRL_REG, 0x0);
+ mmio_write_32(MORELLO_DMC1_CAP_CTRL_REG, 0x0);
+ }
+
+ INFO("Enabling ECC on DMCs\n");
+ /* Enable ECC in DMCs */
+ mmio_setbits_32(MORELLO_DMC0_ERR0CTLR0_REG,
+ MORELLO_DMC_ERR0CTLR0_ECC_EN);
+ mmio_setbits_32(MORELLO_DMC1_ERR0CTLR0_REG,
+ MORELLO_DMC_ERR0CTLR0_ECC_EN);
+
+ /* Set DMCs to READY state */
+ mmio_write_32(MORELLO_DMC0_MEMC_CMD_REG, MORELLO_DMC_MEMC_CMD_READY);
+ mmio_write_32(MORELLO_DMC1_MEMC_CMD_REG, MORELLO_DMC_MEMC_CMD_READY);
+
+ while ((mmio_read_32(MORELLO_DMC0_MEMC_STATUS_REG) &
+ MORELLO_DMC_MEMC_STATUS_MASK) !=
+ MORELLO_DMC_MEMC_CMD_READY) {
+ continue;
+ }
+
+ while ((mmio_read_32(MORELLO_DMC1_MEMC_STATUS_REG) &
+ MORELLO_DMC_MEMC_STATUS_MASK) !=
+ MORELLO_DMC_MEMC_CMD_READY) {
+ continue;
+ }
+}
+#endif
+
+void bl2_platform_setup(void)
+{
+ int ret;
+ struct morello_plat_info plat_info;
+
+ ret = sds_init();
+ if (ret != SDS_OK) {
+ ERROR("SDS initialization failed. ret:%d\n", ret);
+ panic();
+ }
+
+ ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
+ MORELLO_SDS_PLATFORM_INFO_OFFSET,
+ &plat_info,
+ MORELLO_SDS_PLATFORM_INFO_SIZE,
+ SDS_ACCESS_MODE_NON_CACHED);
+ if (ret != SDS_OK) {
+ ERROR("Error getting platform info from SDS. ret:%d\n", ret);
+ panic();
+ }
+
+ /* Validate plat_info SDS */
+#ifdef TARGET_PLATFORM_FVP
+ if (plat_info.local_ddr_size == 0U) {
+#else
+ if ((plat_info.local_ddr_size == 0U)
+ || (plat_info.local_ddr_size > MORELLO_MAX_DDR_CAPACITY)
+ || (plat_info.remote_ddr_size > MORELLO_MAX_DDR_CAPACITY)
+ || (plat_info.remote_chip_count > MORELLO_MAX_REMOTE_CHIP_COUNT)
+ ) {
+#endif
+ ERROR("platform info SDS is corrupted\n");
+ panic();
+ }
+
+#ifdef TARGET_PLATFORM_SOC
+ dmc_ecc_setup(&plat_info);
+#endif
+ arm_bl2_platform_setup();
+}
diff --git a/plat/arm/board/morello/morello_bl31_setup.c b/plat/arm/board/morello/morello_bl31_setup.c
new file mode 100644
index 0000000..a044212
--- /dev/null
+++ b/plat/arm/board/morello/morello_bl31_setup.c
@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2020-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <drivers/arm/css/css_mhu_doorbell.h>
+#include <drivers/arm/css/scmi.h>
+#include <plat/arm/common/plat_arm.h>
+
+#include "morello_def.h"
+#include <platform_def.h>
+
+static scmi_channel_plat_info_t morello_scmi_plat_info = {
+ .scmi_mbx_mem = MORELLO_SCMI_PAYLOAD_BASE,
+ .db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF,
+ .db_preserve_mask = 0xfffffffe,
+ .db_modify_mask = 0x1,
+ .ring_doorbell = &mhu_ring_doorbell
+};
+
+scmi_channel_plat_info_t *plat_css_get_scmi_info(int channel_id)
+{
+ return &morello_scmi_plat_info;
+}
+
+const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
+{
+ return css_scmi_override_pm_ops(ops);
+}
+
+void bl31_platform_setup(void)
+{
+ arm_bl31_platform_setup();
+}
diff --git a/plat/arm/board/morello/morello_def.h b/plat/arm/board/morello/morello_def.h
new file mode 100644
index 0000000..f154924
--- /dev/null
+++ b/plat/arm/board/morello/morello_def.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2020-2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef MORELLO_DEF_H
+#define MORELLO_DEF_H
+
+/* Non-secure SRAM MMU mapping */
+#define MORELLO_NS_SRAM_BASE UL(0x06000000)
+#define MORELLO_NS_SRAM_SIZE UL(0x00010000)
+#define MORELLO_MAP_NS_SRAM MAP_REGION_FLAT( \
+ MORELLO_NS_SRAM_BASE, \
+ MORELLO_NS_SRAM_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+/* SDS Platform information defines */
+#define MORELLO_SDS_PLATFORM_INFO_STRUCT_ID U(8)
+#define MORELLO_SDS_PLATFORM_INFO_OFFSET U(0)
+#ifdef TARGET_PLATFORM_FVP
+# define MORELLO_SDS_PLATFORM_INFO_SIZE U(8)
+#else
+# define MORELLO_SDS_PLATFORM_INFO_SIZE U(22)
+#endif
+#define MORELLO_MAX_DDR_CAPACITY U(0x1000000000)
+#define MORELLO_MAX_REMOTE_CHIP_COUNT U(16)
+
+#define MORELLO_SCC_SERVER_MODE U(0)
+#define MORELLO_SCC_CLIENT_MODE_MASK U(1)
+#define MORELLO_SCC_C1_TAG_CACHE_EN_MASK U(4)
+#define MORELLO_SCC_C2_TAG_CACHE_EN_MASK U(8)
+
+/* Base address of non-secure SRAM where Platform information will be filled */
+#define MORELLO_PLATFORM_INFO_BASE UL(0x06000000)
+
+/* DMC memory status registers */
+#define MORELLO_DMC0_MEMC_STATUS_REG UL(0x4E000000)
+#define MORELLO_DMC1_MEMC_STATUS_REG UL(0x4E100000)
+
+#define MORELLO_DMC_MEMC_STATUS_MASK U(7)
+
+/* DMC memory command registers */
+#define MORELLO_DMC0_MEMC_CMD_REG UL(0x4E000008)
+#define MORELLO_DMC1_MEMC_CMD_REG UL(0x4E100008)
+
+/* DMC capability control register */
+#define MORELLO_DMC0_CAP_CTRL_REG UL(0x4E000D00)
+#define MORELLO_DMC1_CAP_CTRL_REG UL(0x4E100D00)
+
+/* DMC tag cache control register */
+#define MORELLO_DMC0_TAG_CACHE_CTL UL(0x4E000D04)
+#define MORELLO_DMC1_TAG_CACHE_CTL UL(0x4E100D04)
+
+/* DMC tag cache config register */
+#define MORELLO_DMC0_TAG_CACHE_CFG UL(0x4E000D08)
+#define MORELLO_DMC1_TAG_CACHE_CFG UL(0x4E100D08)
+
+/* DMC memory access control register */
+#define MORELLO_DMC0_MEM_ACCESS_CTL UL(0x4E000D0C)
+#define MORELLO_DMC1_MEM_ACCESS_CTL UL(0x4E100D0C)
+
+#define MORELLO_DMC_MEM_ACCESS_DIS (1UL << 16)
+
+/* DMC memory address control register */
+#define MORELLO_DMC0_MEM_ADDR_CTL UL(0x4E000D10)
+#define MORELLO_DMC1_MEM_ADDR_CTL UL(0x4E100D10)
+
+/* DMC memory address control 2 register */
+#define MORELLO_DMC0_MEM_ADDR_CTL2 UL(0x4E000D14)
+#define MORELLO_DMC1_MEM_ADDR_CTL2 UL(0x4E100D14)
+
+/* DMC special control register */
+#define MORELLO_DMC0_SPL_CTL_REG UL(0x4E000D18)
+#define MORELLO_DMC1_SPL_CTL_REG UL(0x4E100D18)
+
+/* DMC ERR0CTLR0 registers */
+#define MORELLO_DMC0_ERR0CTLR0_REG UL(0x4E000708)
+#define MORELLO_DMC1_ERR0CTLR0_REG UL(0x4E100708)
+
+/* DMC ECC in ERR0CTLR0 register */
+#define MORELLO_DMC_ERR0CTLR0_ECC_EN U(9)
+
+/* DMC ERR2STATUS register */
+#define MORELLO_DMC0_ERR2STATUS_REG UL(0x4E000790)
+#define MORELLO_DMC1_ERR2STATUS_REG UL(0x4E100790)
+
+/* DMC memory commands */
+#define MORELLO_DMC_MEMC_CMD_CONFIG U(0)
+#define MORELLO_DMC_MEMC_CMD_READY U(3)
+
+#endif /* MORELLO_DEF_H */
diff --git a/plat/arm/board/morello/morello_err.c b/plat/arm/board/morello/morello_err.c
new file mode 100644
index 0000000..4d20a09
--- /dev/null
+++ b/plat/arm/board/morello/morello_err.c
@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * morello error handler
+ */
+void __dead2 plat_arm_error_handler(int err)
+{
+ while (true) {
+ wfi();
+ }
+}
diff --git a/plat/arm/board/morello/morello_image_load.c b/plat/arm/board/morello/morello_image_load.c
new file mode 100644
index 0000000..52d46f3
--- /dev/null
+++ b/plat/arm/board/morello/morello_image_load.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <common/desc_image_load.h>
+#include <drivers/arm/css/sds.h>
+#include <libfdt.h>
+
+#include "morello_def.h"
+#include <plat/arm/common/plat_arm.h>
+#include <plat/common/platform.h>
+
+#ifdef TARGET_PLATFORM_FVP
+/*
+ * Platform information structure stored in SDS.
+ * This structure holds information about platform's DDR
+ * size which is an information about multichip setup
+ * - Local DDR size in bytes, DDR memory in main board
+ */
+struct morello_plat_info {
+ uint64_t local_ddr_size;
+} __packed;
+#else
+/*
+ * Platform information structure stored in SDS.
+ * This structure holds information about platform's DDR
+ * size which is an information about multichip setup
+ * - Local DDR size in bytes, DDR memory in main board
+ * - Remote DDR size in bytes, DDR memory in remote board
+ * - remote_chip_count
+ * - multichip mode
+ * - scc configuration
+ */
+struct morello_plat_info {
+ uint64_t local_ddr_size;
+ uint64_t remote_ddr_size;
+ uint8_t remote_chip_count;
+ bool multichip_mode;
+ uint32_t scc_config;
+} __packed;
+#endif
+
+/* In client mode, a part of the DDR memory is reserved for Tag bits.
+ * Calculate the usable memory size after subtracting the Tag memory.
+ */
+static inline uint64_t get_mem_client_mode(uint64_t size)
+{
+ return (size - (size / 128ULL));
+}
+
+/*******************************************************************************
+ * This function inserts Platform information via device tree nodes as,
+ * platform-info {
+ * local-ddr-size = <0x0 0x0>;
+ *#ifdef TARGET_PLATFORM_SOC
+ * remote-ddr-size = <0x0 0x0>;
+ * remote-chip-count = <0x0>;
+ * multichip-mode = <0x0>;
+ * scc-config = <0x0>;
+ *#endif
+ * };
+ ******************************************************************************/
+static int plat_morello_append_config_node(struct morello_plat_info *plat_info)
+{
+ bl_mem_params_node_t *mem_params;
+ void *fdt;
+ int nodeoffset, err;
+ uint64_t usable_mem_size;
+
+ usable_mem_size = plat_info->local_ddr_size;
+
+ mem_params = get_bl_mem_params_node(NT_FW_CONFIG_ID);
+ if (mem_params == NULL) {
+ ERROR("NT_FW CONFIG base address is NULL\n");
+ return -1;
+ }
+
+ fdt = (void *)(mem_params->image_info.image_base);
+
+ /* Check the validity of the fdt */
+ if (fdt_check_header(fdt) != 0) {
+ ERROR("Invalid NT_FW_CONFIG DTB passed\n");
+ return -1;
+ }
+
+ nodeoffset = fdt_subnode_offset(fdt, 0, "platform-info");
+ if (nodeoffset < 0) {
+ ERROR("NT_FW_CONFIG: Failed to get platform-info node offset\n");
+ return -1;
+ }
+
+#ifdef TARGET_PLATFORM_SOC
+ err = fdt_setprop_u64(fdt, nodeoffset, "remote-ddr-size",
+ plat_info->remote_ddr_size);
+ if (err < 0) {
+ ERROR("NT_FW_CONFIG: Failed to set remote-ddr-size\n");
+ return -1;
+ }
+
+ err = fdt_setprop_u32(fdt, nodeoffset, "remote-chip-count",
+ plat_info->remote_chip_count);
+ if (err < 0) {
+ ERROR("NT_FW_CONFIG: Failed to set remote-chip-count\n");
+ return -1;
+ }
+
+ err = fdt_setprop_u32(fdt, nodeoffset, "multichip-mode",
+ plat_info->multichip_mode);
+ if (err < 0) {
+ ERROR("NT_FW_CONFIG: Failed to set multichip-mode\n");
+ return -1;
+ }
+
+ err = fdt_setprop_u32(fdt, nodeoffset, "scc-config",
+ plat_info->scc_config);
+ if (err < 0) {
+ ERROR("NT_FW_CONFIG: Failed to set scc-config\n");
+ return -1;
+ }
+
+ if (plat_info->scc_config & MORELLO_SCC_CLIENT_MODE_MASK) {
+ usable_mem_size = get_mem_client_mode(plat_info->local_ddr_size);
+ }
+#endif
+ err = fdt_setprop_u64(fdt, nodeoffset, "local-ddr-size",
+ usable_mem_size);
+ if (err < 0) {
+ ERROR("NT_FW_CONFIG: Failed to set local-ddr-size\n");
+ return -1;
+ }
+
+ flush_dcache_range((uintptr_t)fdt, mem_params->image_info.image_size);
+
+ return 0;
+}
+
+/*******************************************************************************
+ * This function returns the list of executable images.
+ ******************************************************************************/
+bl_params_t *plat_get_next_bl_params(void)
+{
+ int ret;
+ struct morello_plat_info plat_info;
+
+ ret = sds_init();
+ if (ret != SDS_OK) {
+ ERROR("SDS initialization failed. ret:%d\n", ret);
+ panic();
+ }
+
+ ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
+ MORELLO_SDS_PLATFORM_INFO_OFFSET,
+ &plat_info,
+ MORELLO_SDS_PLATFORM_INFO_SIZE,
+ SDS_ACCESS_MODE_NON_CACHED);
+ if (ret != SDS_OK) {
+ ERROR("Error getting platform info from SDS. ret:%d\n", ret);
+ panic();
+ }
+
+ /* Validate plat_info SDS */
+#ifdef TARGET_PLATFORM_FVP
+ if (plat_info.local_ddr_size == 0U) {
+#else
+ if ((plat_info.local_ddr_size == 0U)
+ || (plat_info.local_ddr_size > MORELLO_MAX_DDR_CAPACITY)
+ || (plat_info.remote_ddr_size > MORELLO_MAX_DDR_CAPACITY)
+ || (plat_info.remote_chip_count > MORELLO_MAX_REMOTE_CHIP_COUNT)
+ ){
+#endif
+ ERROR("platform info SDS is corrupted\n");
+ panic();
+ }
+
+ ret = plat_morello_append_config_node(&plat_info);
+ if (ret != 0) {
+ panic();
+ }
+
+ return arm_get_next_bl_params();
+}
diff --git a/plat/arm/board/morello/morello_interconnect.c b/plat/arm/board/morello/morello_interconnect.c
new file mode 100644
index 0000000..d941bfe
--- /dev/null
+++ b/plat/arm/board/morello/morello_interconnect.c
@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+/*
+ * For MORELLO which supports FCM (with automatic interconnect enter/exit),
+ * we should not do anything in these interface functions.
+ * They are used to override the weak functions in cci drivers.
+ */
+
+/******************************************************************************
+ * Helper function to initialize ARM interconnect driver.
+ *****************************************************************************/
+void plat_arm_interconnect_init(void)
+{
+}
+
+/******************************************************************************
+ * Helper function to place current master into coherency
+ *****************************************************************************/
+void plat_arm_interconnect_enter_coherency(void)
+{
+}
+
+/******************************************************************************
+ * Helper function to remove current master from coherency
+ *****************************************************************************/
+void plat_arm_interconnect_exit_coherency(void)
+{
+}
diff --git a/plat/arm/board/morello/morello_plat.c b/plat/arm/board/morello/morello_plat.c
new file mode 100644
index 0000000..1da0ff9
--- /dev/null
+++ b/plat/arm/board/morello/morello_plat.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2020-2022, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <drivers/arm/sbsa.h>
+#include <plat/arm/common/plat_arm.h>
+
+#include "morello_def.h"
+
+/*
+ * Table of regions to map using the MMU.
+ * Replace or extend the below regions as required
+ */
+#if IMAGE_BL1
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MORELLO_MAP_DEVICE,
+ MORELLO_MAP_NS_SRAM,
+ ARM_MAP_DRAM1,
+ ARM_MAP_DRAM2,
+ {0}
+};
+#endif
+
+#if IMAGE_BL31
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MORELLO_MAP_DEVICE,
+ MORELLO_MAP_NS_SRAM,
+ {0}
+};
+#endif
+
+#if IMAGE_BL2
+const mmap_region_t plat_arm_mmap[] = {
+ ARM_MAP_SHARED_RAM,
+ MORELLO_MAP_DEVICE,
+ MORELLO_MAP_NS_SRAM,
+ ARM_MAP_DRAM1,
+ ARM_MAP_DRAM2,
+#if TRUSTED_BOARD_BOOT && !BL2_AT_EL3
+ ARM_MAP_BL1_RW,
+#endif
+ {0}
+};
+#endif
+
+#if TRUSTED_BOARD_BOOT
+int plat_get_mbedtls_heap(void **heap_addr, size_t *heap_size)
+{
+ assert(heap_addr != NULL);
+ assert(heap_size != NULL);
+
+ return arm_get_mbedtls_heap(heap_addr, heap_size);
+}
+#endif
+
+void plat_arm_secure_wdt_start(void)
+{
+ sbsa_wdog_start(SBSA_SECURE_WDOG_BASE, SBSA_SECURE_WDOG_TIMEOUT);
+}
+
+void plat_arm_secure_wdt_stop(void)
+{
+ sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
+}
diff --git a/plat/arm/board/morello/morello_security.c b/plat/arm/board/morello/morello_security.c
new file mode 100644
index 0000000..a388a80
--- /dev/null
+++ b/plat/arm/board/morello/morello_security.c
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * TZC programming is currently not done.
+ */
+void plat_arm_security_setup(void)
+{
+}
diff --git a/plat/arm/board/morello/morello_topology.c b/plat/arm/board/morello/morello_topology.c
new file mode 100644
index 0000000..ef2f753
--- /dev/null
+++ b/plat/arm/board/morello/morello_topology.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2020, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <lib/cassert.h>
+#include <plat/arm/common/plat_arm.h>
+
+/* Compile time assertion to ensure the core count is 4 */
+CASSERT(PLATFORM_CORE_COUNT == 4U, assert_invalid_platform_core_count);
+
+/* Topology */
+typedef struct morello_topology {
+ const unsigned char *power_tree;
+ unsigned int plat_cluster_core_count;
+} morello_topology_t;
+
+/*
+ * The power domain tree descriptor. The cluster power domains are
+ * arranged so that when the PSCI generic code creates the power domain tree,
+ * the indices of the CPU power domain nodes it allocates match the linear
+ * indices returned by plat_core_pos_by_mpidr().
+ */
+const unsigned char morello_pd_tree_desc[] = {
+ PLAT_MORELLO_CHIP_COUNT,
+ PLAT_ARM_CLUSTER_COUNT,
+ MORELLO_MAX_CPUS_PER_CLUSTER,
+ MORELLO_MAX_CPUS_PER_CLUSTER,
+};
+
+/* Topology configuration for morello */
+const morello_topology_t morello_topology = {
+ .power_tree = morello_pd_tree_desc,
+ .plat_cluster_core_count = MORELLO_MAX_CPUS_PER_CLUSTER
+};
+
+/*******************************************************************************
+ * This function returns the topology tree information.
+ ******************************************************************************/
+const unsigned char *plat_get_power_domain_tree_desc(void)
+{
+ return morello_topology.power_tree;
+}
+
+/*******************************************************************************
+ * This function returns the core count within the cluster corresponding to
+ * `mpidr`.
+ ******************************************************************************/
+unsigned int plat_arm_get_cluster_core_count(u_register_t mpidr)
+{
+ return morello_topology.plat_cluster_core_count;
+}
+
+/*******************************************************************************
+ * The array mapping platform core position (implemented by plat_my_core_pos())
+ * to the SCMI power domain ID implemented by SCP.
+ ******************************************************************************/
+const uint32_t plat_css_core_pos_to_scmi_dmn_id_map[PLATFORM_CORE_COUNT] = {
+ 0, 1, 2, 3};
diff --git a/plat/arm/board/morello/morello_trusted_boot.c b/plat/arm/board/morello/morello_trusted_boot.c
new file mode 100644
index 0000000..f9bc009
--- /dev/null
+++ b/plat/arm/board/morello/morello_trusted_boot.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stdint.h>
+
+#include <plat/arm/common/plat_arm.h>
+
+/*
+ * Return the non-volatile counter value stored in the platform. The cookie
+ * will contain the OID of the counter in the certificate.
+ *
+ * Return: 0 = success, Otherwise = error
+ */
+int plat_get_nv_ctr(void *cookie, unsigned int *nv_ctr)
+{
+ *nv_ctr = MORELLO_FW_NVCTR_VAL;
+
+ return 0;
+}
+
+/*
+ * Store a new non-volatile counter value. By default on ARM development
+ * platforms, the non-volatile counters are RO and cannot be modified. We expect
+ * the values in the certificates to always match the RO values so that this
+ * function is never called.
+ *
+ * Return: 0 = success, Otherwise = error
+ */
+int plat_set_nv_ctr(void *cookie, unsigned int nv_ctr)
+{
+ return 1;
+}
+
+/*
+ * Return the ROTPK hash in the following ASN.1 structure in DER format:
+ *
+ * AlgorithmIdentifier ::= SEQUENCE {
+ * algorithm OBJECT IDENTIFIER,
+ * parameters ANY DEFINED BY algorithm OPTIONAL
+ * }
+ *
+ * DigestInfo ::= SEQUENCE {
+ * digestAlgorithm AlgorithmIdentifier,
+ * digest OCTET STRING
+ * }
+ */
+int plat_get_rotpk_info(void *cookie, void **key_ptr, unsigned int *key_len,
+ unsigned int *flags)
+{
+ return arm_get_rotpk_info(cookie, key_ptr, key_len, flags);
+}
diff --git a/plat/arm/board/morello/platform.mk b/plat/arm/board/morello/platform.mk
new file mode 100644
index 0000000..156b7ea
--- /dev/null
+++ b/plat/arm/board/morello/platform.mk
@@ -0,0 +1,110 @@
+#
+# Copyright (c) 2020-2022, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+# Making sure the Morello platform type is specified
+ifeq ($(filter ${TARGET_PLATFORM}, fvp soc),)
+ $(error TARGET_PLATFORM must be fvp or soc)
+endif
+
+MORELLO_BASE := plat/arm/board/morello
+
+INTERCONNECT_SOURCES := ${MORELLO_BASE}/morello_interconnect.c
+
+PLAT_INCLUDES := -I${MORELLO_BASE}/include
+
+MORELLO_CPU_SOURCES := lib/cpus/aarch64/rainier.S
+
+# GIC-600 configuration
+GICV3_SUPPORT_GIC600 := 1
+
+# Include GICv3 driver files
+include drivers/arm/gic/v3/gicv3.mk
+
+MORELLO_GIC_SOURCES := ${GICV3_SOURCES} \
+ plat/common/plat_gicv3.c \
+ plat/arm/common/arm_gicv3.c \
+
+PLAT_BL_COMMON_SOURCES := ${MORELLO_BASE}/morello_plat.c \
+ ${MORELLO_BASE}/aarch64/morello_helper.S
+
+BL1_SOURCES := ${MORELLO_CPU_SOURCES} \
+ ${INTERCONNECT_SOURCES} \
+ ${MORELLO_BASE}/morello_err.c \
+ ${MORELLO_BASE}/morello_trusted_boot.c \
+ ${MORELLO_BASE}/morello_bl1_setup.c \
+ drivers/arm/sbsa/sbsa.c
+
+BL2_SOURCES := ${MORELLO_BASE}/morello_security.c \
+ ${MORELLO_BASE}/morello_err.c \
+ ${MORELLO_BASE}/morello_trusted_boot.c \
+ ${MORELLO_BASE}/morello_bl2_setup.c \
+ ${MORELLO_BASE}/morello_image_load.c \
+ lib/utils/mem_region.c \
+ drivers/arm/css/sds/sds.c
+
+BL31_SOURCES := ${MORELLO_CPU_SOURCES} \
+ ${INTERCONNECT_SOURCES} \
+ ${MORELLO_GIC_SOURCES} \
+ ${MORELLO_BASE}/morello_bl31_setup.c \
+ ${MORELLO_BASE}/morello_topology.c \
+ ${MORELLO_BASE}/morello_security.c \
+ drivers/arm/css/sds/sds.c
+
+FDT_SOURCES += fdts/morello-${TARGET_PLATFORM}.dts \
+ ${MORELLO_BASE}/fdts/morello_fw_config.dts \
+ ${MORELLO_BASE}/fdts/morello_tb_fw_config.dts \
+ ${MORELLO_BASE}/fdts/morello_nt_fw_config.dts
+
+FW_CONFIG := ${BUILD_PLAT}/fdts/morello_fw_config.dtb
+TB_FW_CONFIG := ${BUILD_PLAT}/fdts/morello_tb_fw_config.dtb
+NT_FW_CONFIG := ${BUILD_PLAT}/fdts/morello_nt_fw_config.dtb
+
+# Add the FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${FW_CONFIG},--fw-config,${FW_CONFIG}))
+# Add the TB_FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${TB_FW_CONFIG},--tb-fw-config,${TB_FW_CONFIG}))
+# Add the NT_FW_CONFIG to FIP and specify the same to certtool
+$(eval $(call TOOL_ADD_PAYLOAD,${NT_FW_CONFIG},--nt-fw-config,${NT_FW_CONFIG}))
+
+MORELLO_FW_NVCTR_VAL := 0
+TFW_NVCTR_VAL := ${MORELLO_FW_NVCTR_VAL}
+NTFW_NVCTR_VAL := ${MORELLO_FW_NVCTR_VAL}
+
+# TF-A not required to load the SCP Images
+override CSS_LOAD_SCP_IMAGES := 0
+
+override NEED_BL2U := no
+
+# 32 bit mode not supported
+override CTX_INCLUDE_AARCH32_REGS := 0
+
+override ARM_PLAT_MT := 1
+
+override ARM_BL31_IN_DRAM := 1
+
+# Errata workarounds:
+ERRATA_N1_1868343 := 1
+
+# Select SCMI/SDS drivers instead of SCPI/BOM driver for communicating with the
+# SCP during power management operations and for SCP RAM Firmware transfer.
+CSS_USE_SCMI_SDS_DRIVER := 1
+
+# System coherency is managed in hardware
+HW_ASSISTED_COHERENCY := 1
+
+# When building for systems with hardware-assisted coherency, there's no need to
+# use USE_COHERENT_MEM. Require that USE_COHERENT_MEM must be set to 0 too.
+USE_COHERENT_MEM := 0
+
+# Add TARGET_PLATFORM to differentiate between Morello FVP and Morello SoC platform
+$(eval $(call add_define,TARGET_PLATFORM_$(call uppercase,${TARGET_PLATFORM})))
+
+# Add MORELLO_FW_NVCTR_VAL
+$(eval $(call add_define,MORELLO_FW_NVCTR_VAL))
+
+include plat/arm/common/arm_common.mk
+include plat/arm/css/common/css_common.mk
+include plat/arm/board/common/board_common.mk